Membrane.MP4.Container.update_box

You're seeing just the function update_box, go back to Membrane.MP4.Container module for more information.
Link to this function

update_box(mp4, path, parameter_path \\ [], f)

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Specs

update_box(t(), box_name_t() | [box_name_t()], [atom()], (term() -> term())) ::
  t()

Updates a box at a given path in a parsed MP4.

If parameter_path is set, a parameter within a box is updated.